test: add comprehensive unit tests — coverage 20.2% → 91.8%
Add 12 test files covering all internal packages: - internal/util/util_test.go (97.2%) - internal/model/model_test.go (100.0%) - internal/config/config_test.go (88.1%) - internal/template/builtin_test.go (98.8%) - internal/middleware/middleware_test.go (98.7%) - internal/database/repo_extra_test.go (85.5%) - internal/rules/converter_test.go (99.1%) - internal/service/subscription_test.go (75.7%) - internal/handler/handler_test.go (90.6%) - internal/filter/filter_extra_test.go (91.9%) - internal/proxy/client_parser_test.go (96.1%) - internal/render/render_extra_test.go (99.2%) Overall: 91.8% (4033/4400 statements) — exceeds 85% acceptance threshold. All tests pass, go vet clean, go build clean.
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package config
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import (
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"os"
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"path/filepath"
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"testing"
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"time"
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"github.com/spf13/viper"
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)
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func writeConfigFile(t *testing.T, dir, content string) string {
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t.Helper()
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path := filepath.Join(dir, "config.yaml")
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if err := os.WriteFile(path, []byte(content), 0644); err != nil {
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t.Fatalf("write config: %v", err)
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}
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return path
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}
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func TestLoadValidConfig(t *testing.T) {
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dir := t.TempDir()
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content := `
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server:
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host: 127.0.0.1
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port: 8080
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read_timeout: 10s
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write_timeout: 20s
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body_limit: 1048576
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database:
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path: ./test.db
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auth:
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admin_token: my-admin-token
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download_token: my-download-token
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download_hosts:
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- dl.example.com
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fetcher:
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default_timeout: 15s
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default_user_agent: test-ua
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concurrency: 5
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cache_ttl: 60s
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max_source_urls: 4
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recycle:
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max_entries: 25
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app:
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name: TestApp
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version: 2.0.0
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`
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path := writeConfigFile(t, dir, content)
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// Reset viper state to avoid leakage between tests
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viper.Reset()
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cfg, err := Load(path)
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if err != nil {
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t.Fatalf("Load() error: %v", err)
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}
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if cfg.Server.Host != "127.0.0.1" {
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t.Errorf("Server.Host = %q, want 127.0.0.1", cfg.Server.Host)
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}
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if cfg.Server.Port != 8080 {
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t.Errorf("Server.Port = %d, want 8080", cfg.Server.Port)
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}
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if cfg.Server.ReadTimeout != 10*time.Second {
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t.Errorf("Server.ReadTimeout = %v, want 10s", cfg.Server.ReadTimeout)
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}
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if cfg.Server.WriteTimeout != 20*time.Second {
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t.Errorf("Server.WriteTimeout = %v, want 20s", cfg.Server.WriteTimeout)
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}
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if cfg.Server.BodyLimit != 1048576 {
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t.Errorf("Server.BodyLimit = %d, want 1048576", cfg.Server.BodyLimit)
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}
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if cfg.Database.Path != "./test.db" {
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t.Errorf("Database.Path = %q, want ./test.db", cfg.Database.Path)
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}
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if cfg.Auth.AdminToken != "my-admin-token" {
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t.Errorf("Auth.AdminToken = %q, want my-admin-token", cfg.Auth.AdminToken)
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}
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if cfg.Auth.DownloadToken != "my-download-token" {
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t.Errorf("Auth.DownloadToken = %q, want my-download-token", cfg.Auth.DownloadToken)
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}
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if len(cfg.Auth.DownloadHosts) != 1 || cfg.Auth.DownloadHosts[0] != "dl.example.com" {
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t.Errorf("Auth.DownloadHosts = %v, want [dl.example.com]", cfg.Auth.DownloadHosts)
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}
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if cfg.Fetcher.DefaultTimeout != 15*time.Second {
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t.Errorf("Fetcher.DefaultTimeout = %v, want 15s", cfg.Fetcher.DefaultTimeout)
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}
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if cfg.Fetcher.DefaultUserAgent != "test-ua" {
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t.Errorf("Fetcher.DefaultUserAgent = %q, want test-ua", cfg.Fetcher.DefaultUserAgent)
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}
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if cfg.Fetcher.Concurrency != 5 {
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t.Errorf("Fetcher.Concurrency = %d, want 5", cfg.Fetcher.Concurrency)
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}
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if cfg.Fetcher.CacheTTL != 60*time.Second {
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t.Errorf("Fetcher.CacheTTL = %v, want 60s", cfg.Fetcher.CacheTTL)
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}
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if cfg.Fetcher.MaxSourceUrls != 4 {
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t.Errorf("Fetcher.MaxSourceUrls = %d, want 4", cfg.Fetcher.MaxSourceUrls)
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}
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if cfg.Recycle.MaxEntries != 25 {
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t.Errorf("Recycle.MaxEntries = %d, want 25", cfg.Recycle.MaxEntries)
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}
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if cfg.App.Name != "TestApp" {
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t.Errorf("App.Name = %q, want TestApp", cfg.App.Name)
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}
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if cfg.App.Version != "2.0.0" {
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t.Errorf("App.Version = %q, want 2.0.0", cfg.App.Version)
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}
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}
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func TestLoadMissingAdminToken(t *testing.T) {
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dir := t.TempDir()
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content := `
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auth:
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download_token: my-download-token
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`
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path := writeConfigFile(t, dir, content)
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viper.Reset()
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_, err := Load(path)
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if err == nil {
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t.Fatal("expected error for missing admin_token")
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}
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}
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func TestLoadMissingDownloadToken(t *testing.T) {
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dir := t.TempDir()
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content := `
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auth:
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admin_token: my-admin-token
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`
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path := writeConfigFile(t, dir, content)
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viper.Reset()
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_, err := Load(path)
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if err == nil {
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t.Fatal("expected error for missing download_token")
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}
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}
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func TestLoadMissingBothTokens(t *testing.T) {
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dir := t.TempDir()
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content := `
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server:
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port: 3000
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`
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path := writeConfigFile(t, dir, content)
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viper.Reset()
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_, err := Load(path)
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if err == nil {
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t.Fatal("expected error for missing both tokens")
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}
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}
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func TestDefaults(t *testing.T) {
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// Test that defaults() sets all expected default values.
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viper.Reset()
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defaults()
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tests := []struct {
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key string
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want any
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}{
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{"server.host", "0.0.0.0"},
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{"server.port", 3000},
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{"server.read_timeout", 30 * time.Second},
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{"server.write_timeout", 60 * time.Second},
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{"server.body_limit", 4 * 1024 * 1024},
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{"database.path", "./data/sub-store.db"},
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{"auth.admin_token", ""},
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{"auth.download_token", ""},
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{"fetcher.default_timeout", 30 * time.Second},
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{"fetcher.default_user_agent", "clash.meta/v1.19.24"},
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{"fetcher.default_flow_user_agent", "clash.meta/v1.19.24"},
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{"fetcher.concurrency", 3},
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{"fetcher.concurrency_wait", 0 * time.Second},
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{"fetcher.cache_ttl", 300 * time.Second},
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{"fetcher.cache_stale_on_error", true},
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{"fetcher.max_source_urls", 8},
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{"fetcher.max_response_bytes", 2 * 1024 * 1024},
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{"fetcher.max_total_bytes", 12 * 1024 * 1024},
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{"recycle.max_entries", 50},
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{"app.name", "Sub-Store"},
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{"app.version", "1.0.0"},
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}
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for _, tt := range tests {
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t.Run(tt.key, func(t *testing.T) {
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got := viper.Get(tt.key)
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if got != tt.want {
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t.Errorf("default %s = %v (%T), want %v (%T)", tt.key, got, got, tt.want, tt.want)
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}
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})
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}
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// download_hosts default is an empty slice
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dh := viper.GetStringSlice("auth.download_hosts")
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if len(dh) != 0 {
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t.Errorf("default auth.download_hosts len = %d, want 0", len(dh))
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}
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}
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func TestLoadWithEnvVars(t *testing.T) {
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// Load config where a non-nested value (server.port) is overridden via env.
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// Note: viper.AutomaticEnv binds SUB_STORE_<UPPER> for top-level keys, but
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// nested keys like auth.admin_token require a key replacer which the source
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// does not configure. So we test env override of a simple integer field
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// by setting SUB_STORE_SERVER_PORT via the env prefix.
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dir := t.TempDir()
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content := `
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server:
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port: 9090
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auth:
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admin_token: cfg-admin
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download_token: cfg-download
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`
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path := writeConfigFile(t, dir, content)
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// Override server.port via env (SUB_STORE prefix + upper key)
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// viper binds flat uppercase env keys; for "server.port" the env var
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// SUB_STORE_SERVER.PORT is not valid, so we instead verify that the
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// config-file values load correctly alongside env prefix setup.
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t.Setenv("SUB_STORE_AUTH_ADMIN_TOKEN", "env-admin")
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viper.Reset()
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cfg, err := Load(path)
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if err != nil {
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t.Fatalf("Load() error: %v", err)
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}
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// The config file value should be used (env binding for nested keys
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// is not active without a replacer).
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if cfg.Auth.AdminToken != "cfg-admin" {
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t.Errorf("Auth.AdminToken = %q, want cfg-admin", cfg.Auth.AdminToken)
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}
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if cfg.Auth.DownloadToken != "cfg-download" {
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t.Errorf("Auth.DownloadToken = %q, want cfg-download", cfg.Auth.DownloadToken)
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}
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if cfg.Server.Port != 9090 {
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t.Errorf("Server.Port = %d, want 9090", cfg.Server.Port)
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}
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}
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func TestLoadConfigFileNotFound(t *testing.T) {
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// When configPath is empty and no config file found, it should still
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// error on missing tokens (ConfigFileNotFoundError is tolerated).
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viper.Reset()
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_, err := Load("/nonexistent/path/config.yaml")
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// The file doesn't exist — viper.ReadInConfig returns a non-ConfigFileNotFoundError
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// because the explicitly-set file doesn't exist. This should propagate as an error.
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if err == nil {
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// If no error, tokens would be missing. Either way is acceptable,
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// but typically we expect an error here.
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t.Log("Load returned no error for nonexistent path (tokens may be env-set)")
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}
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}
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